David KarasekA change of coach can transform a swimmer without them doing anything differently. Most swim parents focus only on mindset. Here is the bigger lever.
David KarasekPhelps barely moved his upper body. Lochte moved it a lot. Dressel has a huge knee drive. Yet all elite sprint freestylers share the same 6 fundamentals.
David KarasekA fast swim start isn't just gym power — it's patience and sequencing. The 3 things elite swimmers do differently off the block, from a study of 140 pros.
David KarasekThe fastest underwater dolphin kick starts at the hips, not the knees. The research-backed fix plus 4 drills to build a faster, smoother UDK.